According to Fortune Business Insights™, the global aircraft gearbox market size was valued at USD 3,381.5 million in 2024. The market is projected to grow from USD 3,653.7 million in 2025 to USD 6,094.1 million by 2032, exhibiting a compound annual growth rate (CAGR) of 7.58% during the forecast period. North America dominated the aircraft gearbox market with a share of 45.71% in 2024.